<script setup lang="ts">
import { getGuessList } from '@/services/home'
import type { pageParams } from '@/types/global'
import type { GuessLikeItem } from '@/types/home'
import { onMounted, ref } from 'vue'

const params: pageParams = {
  page: 1,
  pageSize: 10,
}

const isLoading = ref(false) // 标识是否处于加载中
const isFinished = ref(false) // 标识是否加载完成
const list = ref<GuessLikeItem[]>([]) //猜你喜欢列表数据
const loadMore = async () => {
  if (isLoading.value) {
    return
  }

  if (isFinished.value) {
    uni.showToast({
      icon: 'none',
      title: '数据已经全部加载',
    })

    return
  }

  // 2. 发起请求
  // 2.1 更新isLoading标识
  isLoading.value = true
  try {
    // 2.2 调接口
    const res = await getGuessList(params)

    // 3 数据获取完成之后
    // 3.1 累计数据
    list.value.push(...res.items)
    // 3.2 判断是否全部获取,是的话更新isFinished.value = true,否则更新页码
    if (params.page! >= res.pages) {
      isFinished.value = true
    } else {
      params.page!++
    }
    // 3.3 不管成功与失败， isLoading.value = false
    isLoading.value = false
  } catch (error) {
    console.log(error)

    isLoading.value = false
  }
}

onMounted(() => {
  loadMore()
})

// 重置猜你喜欢
const reList = () => {
  params.page = 1
  list.value = []
}
defineExpose({ reList, loadMore, list })
</script>

<template>
  <!-- 猜你喜欢 -->
  <view class="caption">
    <text class="text">猜你喜欢</text>
  </view>
  <view class="guess">
    <navigator
      class="guess-item"
      v-for="item in list"
      :key="item.id"
      :url="`/pagesgoods/goods?id=4007498`"
    >
      <image class="image" mode="aspectFill" :src="item.picture"></image>
      <view class="name"> {{ item.name }}</view>
      <view class="price">
        <text class="small">¥</text>
        <text>{{ item.price }}</text>
      </view>
    </navigator>
  </view>
  <view class="loading-text" v-if="isLoading"> 正在加载... </view>
</template>

<style lang="scss">
:host {
  display: block;
}
/* 分类标题 */
.caption {
  display: flex;
  justify-content: center;
  line-height: 1;
  padding: 36rpx 0 40rpx;
  font-size: 32rpx;
  color: #262626;
  .text {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 28rpx 0 30rpx;

    &::before,
    &::after {
      content: '';
      width: 20rpx;
      height: 20rpx;
      background-image: url(@/static/images/bubble.png);
      background-size: contain;
      margin: 0 10rpx;
    }
  }
}

/* 猜你喜欢 */
.guess {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 0 20rpx;
  .guess-item {
    width: 345rpx;
    padding: 24rpx 20rpx 20rpx;
    margin-bottom: 20rpx;
    border-radius: 10rpx;
    overflow: hidden;
    background-color: #fff;
  }
  .image {
    width: 304rpx;
    height: 304rpx;
  }
  .name {
    height: 75rpx;
    margin: 10rpx 0;
    font-size: 26rpx;
    color: #262626;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .price {
    line-height: 1;
    padding-top: 4rpx;
    color: #cf4444;
    font-size: 26rpx;
  }
  .small {
    font-size: 80%;
  }
}
// 加载提示文字
.loading-text {
  text-align: center;
  font-size: 28rpx;
  color: #666;
  padding: 20rpx 0;
}
</style>
